Vibrating mechanism for interrupting currents in spark-coils.



N0."825,830. PATENTED JULY 10, 1906. J. 0. HEINZB, JR,

VIBRATINGMEGHANISM FO'Pu INTBRRUPTING GURRENTS IN SPARK GOILS.

APPLIGATIOH FILED SEPT. 19, 1905.

. I Q I srnrns 'rnrnnr orrron Jiliil, @T'IG HEINZE, JR, OF LOW ELL, MASSACHUSETTS. VFBRATING MECHANISM FOR INTERRUPTING CURRENTS IN SPARK-COILS.

no. seasso.

Epecification cf Letters Patent.

Patented July 10, 1906.

Apulioatiou filed September 19,1905. Serial No. 279,073

171 (LU wit/m1 710' Hwy concern:

Be it known that 1, JOHN Orro Hnmzn, J12, a citizen of the United States, residing at Lowell, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Vibrating Mechanism for Interrupting Currents in Spark- Coils, of'which the following is a specification.

The principal feature of my invention resides in means whereby I am enabledto in crease the strength of the ma netic field. of a spark-coil, and thereby great y increase'the number of vibrations of its vibrating mech anism, and hence the number of interrup'e tions of thercurrent of the coil. I

The other feature oiimy invention resides in the vane of the vibrating mechanism. It

' is light in weight, large in area, and. is providedwith means to vary its stiffness in orderto operate successfully under different magnetic and electrical conditions. This feature my invention may be used, for ex ample, in connection with the primary wire of an inductionccil. When so used, there may for a given rate of interruption of the current in the primary wire be employed a current weaker than any heretofore used. With a given current in the primary wire my vane permitsa greater rate of interruption in the primary circuit. Still further, with a given current in the primary wire and with a greater magnetic held there is consequently not only greater strength in the-magnetic field, but also in the electrical current induced in the secondary wi of the induction-coil. Further, with a given strength of magnetic field such a tension may *itlu'n certain limits be given to the vane that the number of vibrations of the vane, and hence the number of interruptions of the primary circuit desired, maybe obtained.

My invention is particularly useful when used in connection with gasoleneengines such, for example, as are used in automo biles-the reason being that because of the increa se' of the'number of interruptions in the primary circuit over the number usually obtained, due both to a stronger magnetic field and a larger but lighter vane not heretofore em loyed, the responding sparks resulting and formed in the spark-plug for exploding the gas during each cycle of the engine will be eavy and always sufficientto insure ignition of the explosive mixture.

Figure l is a perspective view'showing all ticai section on line 3 3, Fig. 2,

the features OI my invention, a battery and a condenser being represented diagrammatically. Fig? is a plan view. Fig. 3 is a verwhile Figs. 4 and 5 are respectively a plan and an elevation to illustrate the means employed in facilitating the flow of the magnetic lines from one pole to the other, and thereby increase the strength of the magnetic field.-

In the drawings illustrating the principal featureso'f my invention a pair of auxiliary soft-iron arms A hare mountedupon a base;

M, of suitable insulating material, as rubber. Progccting through and secured in a hole out between these ad acent arms 18 a core N or bundle of iron wires representing said core of,

an electromagnet, the winding 0 of which is connected to a source of ciectrical energy P, as battery, and to a binding -p-ost This binding-post serves to secure to the insulat lug-base a contact-post ll, which is provided with a contact-screw S. A wire T connects with the other side of battery P and leads to a contact-post U, mounted in the insulatingbase, while a condenser V is bridged between the winding 0 upon the core N of the electromagnet and the wire T.

A vane made, preferably, of thin steel is mounted adacent to that portion of the core N projecting through the insulating-base. Its form will be readily understood by a reference to the figures oi the drawings; It comprises an armature portion B and a 'tongue C and atension-arm D, the two latter being integral with the former and extending rearwardly. The vane being moved into position over the core and portions of the auxiliary arms is fixed to the insulating-base, as by passing a. screw through the outer end portion of the tongue C, a brass piece 0, and into the base, the tongue lying substantially flat upon brass piece 0. Near to the core N the armature B is bent up and out of the plane of the tongue, so as to be in proximity to the adjacent end of the contact-screw S, but not in contact with the core N. The tension-arm D forms an acute angle with the plane oi he tongue C, and its outer end portion is forked and engages an ad justing-nut u upon the contact-post U.

' The'operation of my device will now be plain. The contact-screw S and the adjustlng-nut a are so manipulated that the armature B isbrought into spring-contact with the contact-screw, and an electrical circuit is completed from the battery P, through the I n I); but this breaking of contact breaks greater, plainly the vane will vibrate quicker,

3 O, bindingpost Q, contact-post R, r

raw 5, armature B, tension-arm I), stin -nut Qt, contact-post U, wire T, and back to battery P. The, core N becomes en.- :ts the armature 13, moves it v contact with the contact-screw S,

.nsi the resistance offered by the tension- A! the circuit, the core N becomes denergized, and the armature B springs back into contact with the contact-screw S, thereby again completing the electrical circuit which enerthe core N, and the armature'B is again attin-- ted and breaks contact with the conb t-s ev S; but it is to be observed (see 1 s. lid 5) that the magnetic lines or circuit Z 2, due to the electrical currents passing through the winding (3 upon the core N, are reatl aided in their flow from one ole of v y 1 the ma net to the other pole b the steer arma ur i5 andby the soft-iron auxiliary arms embody the principal reature oi my when. The strength of the magnetic 111v field, and hence the force of attraction between the electromagnet and the armature or vane, is increased over that in vibrating mechanisms heretofore used, because the auxiliary arms A A becomemagnets in addi tion to the electromagnet. The force being time in the above description and figures l I have pointed out-the preferred form and materials em loyed in embodying my invention in a wor ing'devical do not limit myself thereto. For example, any suitable magnetic material may be used and .one or more auxiliary members of any form arranged so as to facilitate the flow of magnetic lines or circuits from one pole to the other and to aid the electromagnet in its action on the vane will come withinthe principle of my invention. In short, I desire to claim my invention in'the broadest manner legally possible.

What I claim is" 1. In aspark-coil, a vane or armature; an electromagnet; one or more members of magnetic material independent of the electromagnet, and so arranged in relation to the pole of said electromagnet, that one or more magnets are formed in addition to the electromagnet, and thus serve to attract the vane or armature with a force additional to'that-of the electromagnet. i

2. The combination of an electromagnet, a vane or armature; two members, of magnetic material, each of which has an arm adjacent to the'pole of the electromagnet, and to the vane or armature.

3. In a vibrating mechanism of a sparkcoil, a vane or armature of thin magnetic ma terial; a flexible tongue integral with, and extending rearwardly from, said vane, said tongue being fixed to a base; a flexible arm integral wit and extending rearwardly from, said vane; and means for adjusting the flexible arm, and hence the vane or armature.

In testimony whereof I afhx my signature in presence of two witnesses.

JOHN OTTO HEINZE, JR.

I/Vitnesses 'WYILLIAM A. QUIGLEY, E. F. UNIAC. 

